• Explore the Universe and control your NexStar Evolution telescope with the free Celestron SkyPortal app for iOS and Android!
• Compact, portable 8-inch Schmidt-Cassegrain optical tube with StarBright XLT optical coatings and Fastar compatibility
• Computerized GoTo mount with high-performance brass worm gears and motors for improved tracking accuracy, along with reduced gear backlash
• Rechargeable lithium-iron phosphate battery with enough power for 10 hours of continuous observing
• Improved industrial design with manual clutches and integrated carry handles, plus the added convenience of two accessory trays and a USB charge port for your smart device

• Laser-Collimator for easy collimation of your telescope in 1-2 minutes
• High-quality, impact-resistant and highly accurate laser, with concealed setscrews
• Precision-machined, hard-anodized barrel instead of the less accurate 1¼" chrome barrel
• Handle protector made of silicone rubber facilitates handling with gloves
• Suitable for Newton and SC telescopes, instructions included

• Fixed focal length of 5mm, 68° field of view – ease of view even at high magnifications!
• High quality Phantom Group-Coating in Zeiss class for complete freedom from reflections with maximum contrast
• 1¼" and 2" barrels included, thus variable focal lengths
• Includes many threads for camera and accessory adaptation, afocal and classical eyepiece projection is possible

• Fixed focal length of 8mm, 68° field of view – ease of view even at high magnifications!
• High quality Phantom Group-Coating in Zeiss class for complete freedom from reflections with maximum contrast
• 1¼" and 2" barrels included, thus variable focal lengths
• Includes many threads for camera and accessory adaptation, afocal and classical eyepiece projection is possible

• Fixed focal length of 10mm, 68° field of view – ease of view even at high magnifications!
• High quality Phantom Group-Coating in Zeiss class for complete freedom from reflections with maximum contrast
• 1¼" and 2" barrels included, thus variable focal lengths
• Includes many threads for camera and accessory adaptation, afocal and classical eyepiece projection is possible

• Fixed focal length of 13mm, 68° field of view – ease of view even at high magnifications!
• High quality Phantom Group-Coating in Zeiss class for complete freedom from reflections with maximum contrast
• 1¼" and 2" barrels included, thus variable focal lengths
• Includes many threads for camera and accessory adaptation, afocal and classical eyepiece projection is possible

• Fixed focal length of 17mm, 68° field of view – ease of view even at high magnifications!
• High quality Phantom Group-Coating in Zeiss class for complete freedom from reflections with maximum contrast
• 1¼" and 2" barrels included, thus variable focal lengths
• Includes many threads for camera and accessory adaptation, afocal and classical eyepiece projection is possible

• Fixed focal length of 21mm, 68° field of view – ease of view even at high magnifications!
• High quality Phantom Group-Coating in Zeiss class for complete freedom from reflections with maximum contrast
• 1¼" and 2" barrels included, thus variable focal lengths
• Includes many threads for camera and accessory adaptation, afocal and classical eyepiece projection is possible

• Fixed focal length of 24mm, 68° field of view – ease of view even at high magnifications!
• High quality Phantom Group-Coating in Zeiss class for complete freedom from reflections with maximum contrast
• 1¼" and 2" barrels included. Note the 24mm is NOT variable
• Includes many threads for camera and accessory adaptation, afocal and classical eyepiece projection is possible

• Eyepiece set with all seven Hyperion focal lengths (5, 8, 10, 13, 17, 21, 24 mm), incl. Eyepiece case
• Huge 68 degree wide angle field, tailored to the maximum Visual angle of the human eye 
• Phantom group coatings in Zeiss class for complete freedom of reflections and maximum image contrast 
• Modular design of the eyepiece body allows modification of the eyepiece focal length with optional finetuning rings
• Camera ready! Almost all DSLR camera bodies can be connected but also simpler fixed lens cameras directly to the Hyperion eyepieces

• Eyepiece set with four Hyperion focal lengths (5, 10, 17, 24 mm), incl. Eyepiece case
• Huge 68 degree wide angle field, tailored to the maximum Visual angle of the human eye 
• Phantom group coatings in Zeiss class for complete freedom of reflections and maximum image contrast 
• Modular design of the eyepiece body allows modification of the eyepiece focal length with optional finetuning rings
• Camera ready! Almost all DSLR camera bodies can be connected but also simpler fixed lens cameras directly to the Hyperion eyepieces

• Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge of today’s largest imaging sensors and widest eyepieces
• Aluminum optical tube with tube vents featuring an integrated 50-mesh filter allows hot air to be released from behind the primary mirror. Mirror support knobs hold the mirror in place and reduce image shift during imaging
• Versatile design accommodates 2 focal ratios: native f/10 or ultra-fast f/2 imaging with a removable secondary mirror and third-party accessories
• Celestron’s premium StarBright XLT coatings provide maximum light transmission
• A 9x50 finderscope, 2” mirror diagonal for more comfortable viewing, and wide-angle 23 mm Luminos 2" eyepiece are all included

• 150 mm apochromatic refractor with matched lens assembly with one ED element
• 1200 mm focal length (f/8)
• Dual-speed 2” Crayford-type focuser
• Tube-ring attachment hardware with V-style dovetail plate
• Aluminum case
• M48 adapter

Useful opening 250mm – Controlled by USB from PC - Digital voltmeter for perfect brigthness reproduction and thus reproducible exposures - 12 V DC connection perfect for field operation

Useful opening 550mm – Controlled by USB from PC - Digital voltmeter for perfect brigthness reproduction and thus reproducible exposures - 12 V DC connection perfect for field operation

High-quality 2" focuser for astrophotography and visual observation with Ritchey-Chrétien telescopes - holds acessories up to 6 kg.

• Oversized ball bearings and V2A stainless steel bearing surface for maximal load with smooth adjustment
• 2" and 1.25" clamping by brass compression ring
• D=65 mm connection thread for threaded adaptions for astrophotography
• Dual speed with gear wheel for motor focus - friction cluth integrated - motor focus is optional
• Trouble-free adaption to TS-Optics, GSO, AstroTec.. RC telescopes via the M90x1 connection thread (female) at the telescope side
• Minimal height with base is 91 mm
• Drawtube travel is 30 mm
• Motorized focusing is possible - see optional accessories